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Explain the Theory of Natural Selection

There are four key points to natural selection: first, that individuals in all species show variation second, that this variation is genetic and therefore heritable third, that certain characteristics give t...
JW
Answered by Josie W. • Biology tutor
4800 Views

How to decide whether a word is "der/die/das"?

There is no unique way of telling what grammatical gender a word has. I therefore recommend, whenever you learn vocabulary and new words, learn the gender with it. Learn them as one. However, there are some ...
SB
Answered by Sanela B. • German tutor
2434 Views

How do you conjugate '1st group' verbs (the ones finishing by -er) in the present tense?

In french, three different kinds of verbs can be made: the '1st group' ones finishing by -er, the '2nd group' ones by -ir and the '3rd group' finishing by any other ending (-oir for example). The '1st group'...
MK
Answered by Marina K. • French tutor
15925 Views

Which verbes use "être" as auxiliary verb?

There is a set number of verbes which use "être" as their auxiliary verb. These verbes are also called verbes de la gare. They are associated with movements of people and you can use them when in a...
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Answered by Sanela B. • French tutor
3247 Views

Explain, using one or more examples, the effects of neurotransmission on human behaviour

DOPAMINE = Responsible for motivation/reward. Important in addictive behaviour. Dopamine is released when doing a rewarding behaviour. Drugs increase dopamine levels. Can be environmental → seeing a pack of ...
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Answered by Becky L. • Psychology tutor
3082 Views